Mini Subwoofer Bluetooth Speaker Outdoor Portable Lanyard Bluetooth Audio Desktop Colorful Steel Cannon Bluetooth Speaker

Source type: spot
connection mode: bluetooth connection
interface type: USB
frequency response range: 100HZ-20KHZ
output power: below 10W
signal-to-noise ratio: ≥ 75dB
power supply mode: built-in lithium battery
channel: 2.1
playing duration: 8 hours
extended storage: 16GB
number of speakers: 1
effective distance: 15 m
operation mode: press key
applicable crowd: universal
display screen: none
playback format: MP3
playback format: WMA
shell material: plastic
whether to support APP: no
support format: TF card
sound box adjustment mode: key
whether there is radio function: no
box material: plastic
appearance size: 60*70*80
article number: S9
color: black
color: AI version
specification: cool black
whether foreign trade: no
power mode: USB
whether patent source: no
Waterproof rating: IPX 7
Built-in battery capacity: 500 mA -800 mA
Bluetooth protocol: 5.1